package com.king.framework.aspectj;

import java.util.Collection;
import java.util.Date;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;

import com.alibaba.fastjson2.JSON;
import com.king.common.constant.Constants;
import com.king.common.enums.HttpMethod;
import com.king.common.enums.SsEnum;
import com.king.common.utils.SecurityUtils;
import com.king.common.utils.ServletUtils;
import com.king.common.utils.ip.IpUtils;
import com.king.common.utils.text.StringUtils;
import com.king.framework.base.domain.vo.LoginUser;
import com.king.framework.filter.PropertyPreExcludeFilter;
import com.king.framework.manager.AsyncManager;
import com.king.framework.manager.factory.AsyncFactory;
import com.king.modules.monitor.domain.SysOperLogEntity;

@Aspect
@Component
public class ControllerAspect {

	private static final Logger LOGGER = LoggerFactory.getLogger(ControllerAspect.class);
	/** 排除敏感属性字段 */
	public static final String[] EXCLUDE_PROPERTIES = { "password", "oldPassword", "newPassword", "confirmPassword" };

	private final ThreadLocal<SysOperLogEntity> localOperLog = new ThreadLocal<>();

	@Pointcut("@annotation(org.springframework.web.bind.annotation.RequestMapping) || "
			+ "@annotation(org.springframework.web.bind.annotation.PostMapping) || "
			+ "@annotation(org.springframework.web.bind.annotation.GetMapping)"
			+ "@annotation(org.springframework.web.bind.annotation.PutMapping)"
			+ "@annotation(org.springframework.web.bind.annotation.DeleteMapping)")
	
	public void webLog() {
	}

	@Before("webLog()")
	public void doBefore(JoinPoint joinPoint) {
		try {
			ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder
					.getRequestAttributes();
			HttpServletRequest request = attributes.getRequest();

			String uri = request.getRequestURI();
			String method = request.getMethod();
			String contentType = request.getContentType();
			String sessionToken = request.getHeader(Constants.TOKEN);

			String className = joinPoint.getTarget().getClass().getName();
			String methodName = joinPoint.getSignature().getName();

			LOGGER.info("------------------>接收{}请求 {}.{}", className, methodName);
			LOGGER.info("ip:                   {}", IpUtils.getIpAddr(request));
			LOGGER.info("uri:                  {}", uri);
			LOGGER.info("method:               {}", method);
			LOGGER.info("contentType:          {}", contentType);
			LOGGER.info("token:        {}", sessionToken);

			// 获取当前的用户
			LoginUser loginUser = SecurityUtils.getLoginUserOrNull();
			// 设置客户端ip
			SysOperLogEntity operLog = new SysOperLogEntity();
			operLog.setStatus(SsEnum.NORMAL.getKey());
			// 请求的地址
			String ip = IpUtils.getIpAddr(request);
			operLog.setOperIp(ip);
			operLog.setOperUrl(StringUtils.substring(request.getRequestURI(), 0, 255));
			if (loginUser != null) {
				operLog.setOperName(loginUser.getUsername());
				operLog.setGroupid(loginUser.getGroupid());
				operLog.setCr(loginUser.getUserId());
				operLog.setMr(loginUser.getUserId());
			}
			Date ts = new Date();
			operLog.setOperTime(ts);
			operLog.setSs(SsEnum.NORMAL.getKey());
			operLog.setCts(ts);
			operLog.setMts(ts);
			// 设置方法名称
			operLog.setMethod(request.getMethod());
			// 设置请求方式
			operLog.setRequestMethod(request.getMethod());
			localOperLog.set(operLog);
		} catch (Exception e) {
			LOGGER.error("WebLogAspect doBefore err", e);
		}
	}

	@AfterReturning(pointcut = "webLog()", returning = "jsonResult")
	public void afterReturning(JoinPoint joinPoint, Object jsonResult) {
		handleLog(joinPoint, null, jsonResult);
	}

	@AfterThrowing(pointcut = "webLog()", throwing = "ex")
	public void afterThrowing(JoinPoint joinPoint, Exception ex) {
		handleLog(joinPoint, ex, null);
	}

	protected void handleLog(final JoinPoint joinPoint, final Exception e, Object jsonResult) {
		try {
			// 获取当前的用户
			LoginUser loginUser = SecurityUtils.getLoginUserOrNull();

			// *========数据库日志=========*//
			SysOperLogEntity operLog = localOperLog.get();
			operLog.setStatus(SsEnum.NORMAL.getKey());
			// 请求的地址
			String ip = IpUtils.getIpAddr(ServletUtils.getRequest());
			operLog.setOperIp(ip);
			operLog.setOperUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
			if (loginUser != null) {
				operLog.setOperName(loginUser.getUsername());
				operLog.setGroupid(loginUser.getGroupid());
				operLog.setCr(loginUser.getUserId());
				operLog.setMr(loginUser.getUserId());
			}
			Date ts = new Date();
			operLog.setSs(SsEnum.NORMAL.getKey());
			operLog.setCts(ts);
			operLog.setMts(ts);
			// 设置请求时间差
			operLog.setTimeConsuming(ts.getTime() - operLog.getOperTime().getTime());
			// 设置返回时间
			operLog.setReturnTime(ts);

			if (e != null) {
				operLog.setStatus(SsEnum.DELETED.getKey());
				operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
			}
			// 设置方法名称
			String className = joinPoint.getTarget().getClass().getName();
			String methodName = joinPoint.getSignature().getName();
			operLog.setMethod(className + "." + methodName + "()");
			// 设置请求方式
			operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
			// 处理设置注解上的参数
			getControllerMethodDescription(joinPoint, operLog, jsonResult);
			// 保存数据库
			AsyncManager.me().execute(AsyncFactory.recordOperLog(operLog));
		} catch (Exception exp) {
			// 记录本地异常日志
			LOGGER.error("异常信息:{}", exp.getMessage());
			exp.printStackTrace();
		}
	}

	/**
	 * 获取注解中对方法的描述信息 用于Controller层注解
	 * 
	 * @param log
	 *            日志
	 * @param operLog
	 *            操作日志
	 * @throws Exception
	 */
	public void getControllerMethodDescription(JoinPoint joinPoint, SysOperLogEntity operLog, Object jsonResult)
			throws Exception {
		// 获取参数的信息，传入到数据库中。
		setRequestValue(joinPoint, operLog);
		// 是否需要保存response，参数和值
		if (StringUtils.isNotNull(jsonResult)) {
			operLog.setJsonResult(StringUtils.substring(JSON.toJSONString(jsonResult), 0, 2000));
		}
	}

	/**
	 * 获取请求的参数，放到log中
	 * 
	 * @param operLog
	 *            操作日志
	 * @throws Exception
	 *             异常
	 */
	private void setRequestValue(JoinPoint joinPoint, SysOperLogEntity operLog) throws Exception {
		String requestMethod = operLog.getRequestMethod();
		if (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod)) {
			String params = argsArrayToString(joinPoint.getArgs());
			operLog.setOperParam(StringUtils.substring(params, 0, 2000));
		} else {
			Map<?, ?> paramsMap = ServletUtils.getParamMap(ServletUtils.getRequest());
			operLog.setOperParam(
					StringUtils.substring(JSON.toJSONString(paramsMap, excludePropertyPreFilter()), 0, 2000));
		}
	}

	/**
	 * 参数拼装
	 */
	private String argsArrayToString(Object[] paramsArray) {
		String params = "";
		if (paramsArray != null && paramsArray.length > 0) {
			for (Object o : paramsArray) {
				if (StringUtils.isNotNull(o) && !isFilterObject(o)) {
					try {
						String jsonObj = JSON.toJSONString(o, excludePropertyPreFilter());
						params += jsonObj.toString() + " ";
					} catch (Exception e) {
					}
				}
			}
		}
		return params.trim();
	}

	/**
	 * 忽略敏感属性
	 */
	public PropertyPreExcludeFilter excludePropertyPreFilter() {
		return new PropertyPreExcludeFilter().addExcludes(EXCLUDE_PROPERTIES);
	}

	/**
	 * 判断是否需要过滤的对象。
	 * 
	 * @param o
	 *            对象信息。
	 * @return 如果是需要过滤的对象，则返回true；否则返回false。
	 */
	@SuppressWarnings("rawtypes")
	public boolean isFilterObject(final Object o) {
		Class<?> clazz = o.getClass();
		if (clazz.isArray()) {
			return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
		} else if (Collection.class.isAssignableFrom(clazz)) {
			Collection collection = (Collection) o;
			for (Object value : collection) {
				return value instanceof MultipartFile;
			}
		} else if (Map.class.isAssignableFrom(clazz)) {
			Map map = (Map) o;
			for (Object value : map.entrySet()) {
				Map.Entry entry = (Map.Entry) value;
				return entry.getValue() instanceof MultipartFile;
			}
		}
		return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
				|| o instanceof BindingResult;
	}
}
